An equilateral triangle, KLM, is folded as shown in the figure. Find
- ∠KJM
- ∠LKM.
(a)
∠JMK = 60° (Equilateral triangle KLM)
∠KJM
= 180° - 60° - 56° (Angles sum of triangle)
= 64°
(b)
∠LKM
= 180° - 56° - 56°
= 68° (Angles on a straight line)
Answer(s): (a) 64°; (b) 68°